If a tracker transmits an 'alert' message, you will now see an alert='true' parameter, as well as an alertType="BUTTON" parameter. The alertType parameter could have any of these values:

Value

Meaning

BUTTON

The user has pressed the red alert button

BT_LOST

The bluetooth connection has been lost

COLLISION

A collision alert

COUNTDOWN

The countdown timer has timed-out

DEAD_MAN

The dead-man timer wasn't reset in time

GEOFENCE

The tracker has moved too far from it's geofence centre

CANCEL

The user has cancelled any previous alerts (this is a menu option on the tracker).

POWER

External power (5V) has been disconnected or re-connected

TEMPERATURE

Temperature outside preset range.

POLYFENCE

The tracker has transmitted because it crossed a polyfence boundary.

SWITCH_A_RISING
SWITCH_A_FALLING
SWITCH_B_RISING
SWITCH_B_FALLING
SWITCH_C_RISING
SWITCH_C_FALLING
SWITCH_D_RISING
SWITCH_D_FALLING
SWITCH_E_RISING
SWITCH_E_FALLING

Activity occurred on an external input

HOVER_ENTRY
HOVER_EXIT

RockAIR specific feature - hover detection events

TAKE_OFF
LANDING
STOPPED
MOVING

RockAIR specific feature - events for fixed-wing aircraft to represent stopped (on blocks), moving (off-blocks), take-off and landing.

TRACKING_SUSPEND
TRACKING_AUTO_RESUME
TRACKING_MANUAL_RESUME

Suspend/resume events

EXCESSIVE_DESCENT_RATE
EXCESSIVE_ASCENT_RATE

Excessive rate of change of altitude events

WAYPOINT_A
WAYPOINT_B
WAYPOINT_C
WAYPOINT_D

Waypoint events